METHOD OF PROCESSING OXIDIZABLE NICKEL ORE Russian patent published in 1995 - IPC

Abstract SU 1714940 A1

FIELD: nonferrous metallurgy. SUBSTANCE: ore and lime flux were fed in countercurrent of high-temperature exhausting gases. Flux is fed in gases flow at temperature 800-900 C. Melting is carried out at coal and blowing feeding at oxygen consumption in blowing 180-200 m³/t charge. Prepared melt is ejected with reduction or inert gas with a mixture with sulfur-containing material at mass ratio of sulfur and ejected melt 1:(600-700). EFFECT: increased extraction of nickel and cobalt, decreased content of sulfur dioxide in exhausting gases.

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SU 1 714 940 A1

Authors

Kovgan P.A.

Mechev V.V.

Tarasov A.V.

Mongin A.M.

Serova I.I.

Dates

1995-04-10—Published

1990-05-10—Filed